An azeotropic refrigerant for use in low temperature applications such as biomedical freezing.
Composition (wt%) R-23/R-116 = 39/61
Please note that not all products are available in all markets.
R-508 Physical Properties
Property |
S.I. Units |
British Units |
Bubble Point |
-85.69 (°C @1 atm) |
-122.24 (°[email protected]) |
Dew Point |
-85.68 (°C @1 atm) |
-122.22 (°[email protected]) |
Evaporator Glide |
0.0 (°C @1 atm) |
0.0 (°[email protected]) |
Bubble Point Pressure |
8.0 (bara @ -40.7°C) |
116.0 ([email protected]°F) |
Critical Temperature |
23 (°C) |
73.4 (°F) |
Latent Heat Vaporisation |
131.00 (kJ/kg @-40°C) |
56.3 (Btu/lb @70°F) |
Coeff. Vol. Therm. Exp. |
0.0038 (K-1 -40°C) |
0.0021 (°F-1 40-80°F) |
Saturated Vapour Density |
6.73 (kg/m³@nBpt) |
0.420 (lb/cuft @nBpt) |
The original ASHRAE designation for this blend was R-508. This designation may be still used and some literature may refer to the product as KLEA®508.